80779840

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 112

約数和(自身を含む): 202777344

約数和(自身を除く): 121997504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 47, 64, 80, 82, 94, 131, 160, 164, 188, 205, 235, 262, 320, 328, 376, 410, 470, 524, 655, 656, 752, 820, 940, 1048, 1310, 1312, 1504, 1640, 1880, 1927, 2096, 2620, 2624, 3008, 3280, 3760, 3854, 4192, 5240, 5371, 6157, 6560, 7520, 7708, 8384, 9635, 10480, 10742, 12314, 13120, 15040, 15416, 19270, 20960, 21484, 24628, 26855, 30785, 30832, 38540, 41920, 42968, 49256, 53710, 61570, 61664, 77080, 85936, 98512, 107420, 123140, 123328, 154160, 171872, 197024, 214840, 246280, 252437, 308320, 343744, 394048, 429680, 492560, 504874, 616640, 859360, 985120, 1009748, 1262185, 1718720, 1970240, 2019496, 2524370, 4038992, 5048740, 8077984, 10097480, 16155968, 20194960, 40389920, 80779840]

約数ペア:

[(1, 80779840), (2, 40389920), (4, 20194960), (5, 16155968), (8, 10097480), (10, 8077984), (16, 5048740), (20, 4038992), (32, 2524370), (40, 2019496), (41, 1970240), (47, 1718720), (64, 1262185), (80, 1009748), (82, 985120), (94, 859360), (131, 616640), (160, 504874), (164, 492560), (188, 429680), (205, 394048), (235, 343744), (262, 308320), (320, 252437), (328, 246280), (376, 214840), (410, 197024), (470, 171872), (524, 154160), (655, 123328), (656, 123140), (752, 107420), (820, 98512), (940, 85936), (1048, 77080), (1310, 61664), (1312, 61570), (1504, 53710), (1640, 49256), (1880, 42968), (1927, 41920), (2096, 38540), (2620, 30832), (2624, 30785), (3008, 26855), (3280, 24628), (3760, 21484), (3854, 20960), (4192, 19270), (5240, 15416), (5371, 15040), (6157, 13120), (6560, 12314), (7520, 10742), (7708, 10480), (8384, 9635)]